[MTD] Clarify OOB-operation interface comments
Add more comment to OOB I/O interface. Read/write are not symmetric which is confusing and should be documented. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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@ -85,6 +85,10 @@ typedef enum {
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* mode = MTD_OOB_PLACE)
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* @datbuf: data buffer - if NULL only oob data are read/written
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* @oobbuf: oob data buffer
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*
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* Note, it is allowed to read more then one OOB area at one go, but not write.
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* The interface assumes that the OOB write requests program only one page's
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* OOB area.
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*/
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struct mtd_oob_ops {
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mtd_oob_mode_t mode;
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